Anti-inflammatory effect of methanolic extract of Conyzacanadensis in lipopolysaccharide (LPS)-stimulated RAW264.7 murine macrophage cells
Journal Title: Pakistan Journal of Pharmaceutical Sciences - Year 2016, Vol 29, Issue 3
Abstract
The aim of this study was to investigate the potential anti-inflammatory effect of Conyzacanadeusis methanol extract (CME) using a cell model of RAW264.7 murine macrophage cell stimulated with lipopolysaccharide (LPS)(1µg/ml). Co-treatment with different concentrations (10, 50 and 100µg/ml) of CME was concentrationdependently reduced the LPS-induced generation of prostaglandin E2 (PGE2), nitric oxide (NO) tumor necrosis factor-α (TNF-α), interleukin (IL)-1β and IL-6. In addition, CME also reduced the mRNA expressions of cyclooxygenase-2 (COX-2), inducible nitric oxide (iNOS), TNF-α, IL-1β and IL-6 in LPS-stimulated RAW264.7 cells. These results suggested that CME showed an anti-inflammatory activity through reduced the mRNA expression of COX-2, iNOS, TNF-α, IL-1β and IL-6 and also decreased the productions of PGE2, NO, TNF-α, IL-1β and IL-6in LPS-stimulated RAW264.7 cells.
Authors and Affiliations
Jia-Le Song , Ruo-Kun Yi , Yang Gao
Keywords
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